<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
  <HEAD>
    <TITLE> ❤ </TITLE>
    <META NAME="Generator" CONTENT="EditPlus">
    <META NAME="Author" CONTENT="">
    <META NAME="Keywords" CONTENT="">
    <META NAME="Description" CONTENT="">
    <style>
      html,
      body {
        height: 100%;
        padding: 0;
        margin: 0;
        background: rgb(1, 10, 13);//此处可换背景颜色
      }
 
      canvas {
        position: absolute;
        width: 100%;
        height: 100%;
      }
    </style>
  
  </HEAD>
 
  <BODY>
    <canvas id="pinkboard"></canvas>
    <script>
      var settings = {
        particles: {
          length: 500, // maximum amount of particles
          duration: 2, // particle duration in sec
          velocity: 100, // particle velocity in pixels/sec
          effect: -0.75, // play with this for a nice effect
          size: 30, // particle size in pixels
        },
      };
 
 
      (function() {
        var b = 0;
        var c = ["ms", "moz", "webkit", "o"];
        for (var a = 0; a < c.length && !window.requestAnimationFrame; ++a) {
          window.requestAnimationFrame = window[c[a] + "RequestAnimationFrame"];
          window.cancelAnimationFrame = window[c[a] + "CancelAnimationFrame"] || window[c[a] +
            "CancelRequestAnimationFrame"]
        }
        if (!window.requestAnimationFrame) {
          window.requestAnimationFrame = function(h, e) {
            var d = new Date().getTime();
            var f = Math.max(0, 16 - (d - b));
            var g = window.setTimeout(function() {
              h(d + f)
            }, f);
            b = d + f;
            return g
          }
        }
        if (!window.cancelAnimationFrame) {
          window.cancelAnimationFrame = function(d) {
            clearTimeout(d)
          }
        }
      }());
 
 
      var Point = (function() {
        function Point(x, y) {
          this.x = (typeof x !== 'undefined') ? x : 0;
          this.y = (typeof y !== 'undefined') ? y : 0;
        }
        Point.prototype.clone = function() {
          return new Point(this.x, this.y);
        };
        Point.prototype.length = function(length) {
          if (typeof length == 'undefined')
            return Math.sqrt(this.x * this.x + this.y * this.y);
          this.normalize();
          this.x *= length;
          this.y *= length;
          return this;
        };
        Point.prototype.normalize = function() {
          var length = this.length();
          this.x /= length;
          this.y /= length;
          return this;
        };
        return Point;
      })();
 
 
      var Particle = (function() {
        function Particle() {
          this.position = new Point();
          this.velocity = new Point();
          this.acceleration = new Point();
          this.age = 0;
        }
        Particle.prototype.initialize = function(x, y, dx, dy) {
          this.position.x = x;
          this.position.y = y;
          this.velocity.x = dx;
          this.velocity.y = dy;
          this.acceleration.x = dx * settings.particles.effect;
          this.acceleration.y = dy * settings.particles.effect;
          this.age = 0;
        };
        Particle.prototype.update = function(deltaTime) {
          this.position.x += this.velocity.x * deltaTime;
          this.position.y += this.velocity.y * deltaTime;
          this.velocity.x += this.acceleration.x * deltaTime;
          this.velocity.y += this.acceleration.y * deltaTime;
          this.age += deltaTime;
        };
        Particle.prototype.draw = function(context, image) {
          function ease(t) {
            return (--t) * t * t + 1;
          }
          var size = image.width * ease(this.age / settings.particles.duration);
          context.globalAlpha = 1 - this.age / settings.particles.duration;
          context.drawImage(image, this.position.x - size / 2, this.position.y - size / 2, size, size);
        };
        return Particle;
      })();
 
 
      var ParticlePool = (function() {
        var particles,
          firstActive = 0,
          firstFree = 0,
          duration = settings.particles.duration;
 
        function ParticlePool(length) {
          // create and populate particle pool
          particles = new Array(length);
          for (var i = 0; i < particles.length; i++)
            particles[i] = new Particle();
        }
        ParticlePool.prototype.add = function(x, y, dx, dy) {
          particles[firstFree].initialize(x, y, dx, dy);
 
          // handle circular queue
          firstFree++;
          if (firstFree == particles.length) firstFree = 0;
          if (firstActive == firstFree) firstActive++;
          if (firstActive == particles.length) firstActive = 0;
        };
        ParticlePool.prototype.update = function(deltaTime) {
          var i;
 
 
          if (firstActive < firstFree) {
            for (i = firstActive; i < firstFree; i++)
              particles[i].update(deltaTime);
          }
          if (firstFree < firstActive) {
            for (i = firstActive; i < particles.length; i++)
              particles[i].update(deltaTime);
            for (i = 0; i < firstFree; i++)
              particles[i].update(deltaTime);
          }
 
          // remove inactive particles
          while (particles[firstActive].age >= duration && firstActive != firstFree) {
            firstActive++;
            if (firstActive == particles.length) firstActive = 0;
          }
 
 
        };
        ParticlePool.prototype.draw = function(context, image) {
          if (firstActive < firstFree) {
            for (i = firstActive; i < firstFree; i++)
              particles[i].draw(context, image);
          }
          if (firstFree < firstActive) {
            for (i = firstActive; i < particles.length; i++)
              particles[i].draw(context, image);
            for (i = 0; i < firstFree; i++)
              particles[i].draw(context, image);
          }
        };
        return ParticlePool;
      })();
 
 
      (function(canvas) {
        var context = canvas.getContext('2d'),
          particles = new ParticlePool(settings.particles.length),
          particleRate = settings.particles.length / settings.particles.duration, // particles/sec
          time;
 
        function pointOnHeart(t) {
          return new Point(
            160 * Math.pow(Math.sin(t), 3),
            130 * Math.cos(t) - 50 * Math.cos(2 * t) - 20 * Math.cos(3 * t) - 10 * Math.cos(4 * t) + 25
          );
        }
 
 
        var image = (function() {
          var canvas = document.createElement('canvas'),
            context = canvas.getContext('2d');
          canvas.width = settings.particles.size;
          canvas.height = settings.particles.size;
 
          function to(t) {
            var point = pointOnHeart(t);
            point.x = settings.particles.size / 2 + point.x * settings.particles.size / 350;
            point.y = settings.particles.size / 2 - point.y * settings.particles.size / 350;
            return point;
          }
 
          context.beginPath();
          var t = -Math.PI;
          var point = to(t);
          context.moveTo(point.x, point.y);
          while (t < Math.PI) {
            t += 0.01;
            point = to(t);
            context.lineTo(point.x, point.y);
          }
          context.closePath();
 
          context.fillStyle = '#ea80b0';
          context.fill();
 
          var image = new Image();
          image.src = canvas.toDataURL();
          return image;
        })();
 
        // render that thing!
        function render() {
          // next animation frame
          requestAnimationFrame(render);
 
          var newTime = new Date().getTime() / 1000,
            deltaTime = newTime - (time || newTime);
          time = newTime;
 
          context.clearRect(0, 0, canvas.width, canvas.height);
 
          var amount = particleRate * deltaTime;
          for (var i = 0; i < amount; i++) {
            var pos = pointOnHeart(Math.PI - 2 * Math.PI * Math.random());
            var dir = pos.clone().length(settings.particles.velocity);
            particles.add(canvas.width / 2 + pos.x, canvas.height / 2 - pos.y, dir.x, -dir.y);
          }
 
 
          particles.update(deltaTime);
          particles.draw(context, image);
        }
 
        function onResize() {
          canvas.width = canvas.clientWidth;
          canvas.height = canvas.clientHeight;
        }
        window.onresize = onResize;
 
        setTimeout(function() {
          onResize();
          render();
        }, 10);
      })(document.getElementById('pinkboard'));
    </script>
   <audio  src="罗生门.ogg" id="dd" autoplay="autoplay" controls="controls" loop="loop"></audio>

  </BODY>
</HTML>